diff --git a/CHANGELOG.md b/CHANGELOG.md
index c50badb..f6d8ca0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-### v12.0.0 - TBA
+### v12.0.0 - 2020-03-03
 
 `REVISED`
 
diff --git a/composer.json b/composer.json
index c012789..6e57ef5 100644
--- a/composer.json
+++ b/composer.json
@@ -57,7 +57,5 @@
         "cs:check": "./vendor/bin/php-cs-fixer fix --verbose --ansi --show-progress=estimating --diff --dry-run --config .php_cs.php",
         "cs:fix": "./vendor/bin/php-cs-fixer fix --verbose --ansi --show-progress=estimating --config .php_cs.php",
         "test": "./vendor/bin/phpunit --verbose --colors=always"
-    },
-    "minimum-stability": "dev",
-    "prefer-stable": true
+    }
 }